gecko/netwerk/mime/nsIMIMEService.idl

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/* -*- Mode: IDL; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is mozilla.org code.
*
* The Initial Developer of the Original Code is
* Netscape Communications Corporation.
* Portions created by the Initial Developer are Copyright (C) 1998
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#include "nsISupports.idl"
#include "nsIMIMEInfo.idl"
#include "nsIURI.idl"
#include "nsIFile.idl"
%{C++
#define NS_MIMESERVICE_CID \
{ /* 03af31da-3109-11d3-8cd0-0060b0fc14a3 */ \
0x03af31da, \
0x3109, \
0x11d3, \
{0x8c, 0xd0, 0x00, 0x60, 0xb0, 0xfc, 0x14, 0xa3} \
}
%}
/**
* The MIME service is responsible for mapping file extensions to MIME-types
* (see RFC 2045). It also provides access to nsIMIMEInfo interfaces and
* acts as a general convenience wrapper of nsIMIMEInfo interfaces.
*
* The MIME service maintains a database with a <b>one</b> MIME type <b>to many</b>
* file extensions rule. Adding the same file extension to multiple MIME types
* is illegal and behavior is undefined.
*
* @see nsIMIMEInfo
*/
[scriptable, uuid(5b3675a1-02db-4f8f-a560-b34736635f47)]
interface nsIMIMEService : nsISupports {
/**
* Retrieves an nsIMIMEInfo using both the extension
* and the type of a file. The type is given preference
* during the lookup. One of aMIMEType and aFileExt
* can be an empty string. At least one of aMIMEType and aFileExt
* must be nonempty.
*/
nsIMIMEInfo getFromTypeAndExtension(in ACString aMIMEType, in AUTF8String aFileExt);
/**
* Retrieves a ACString representation of the MIME type
* associated with this file extension.
*
* @param A file extension (excluding the dot ('.')).
* @return The MIME type, if any.
*/
ACString getTypeFromExtension(in AUTF8String aFileExt);
/**
* Retrieves a ACString representation of the MIME type
* associated with this URI. The association is purely
* file extension to MIME type based. No attempt to determine
* the type via server headers or byte scanning is made.
*
* @param The URI the user wants MIME info on.
* @return The MIME type, if any.
*/
ACString getTypeFromURI(in nsIURI aURI);
//
ACString getTypeFromFile(in nsIFile aFile);
/**
* Given a Type/Extension combination, returns the default extension
* for this type. This may be identical to the passed-in extension.
*
* @param aMIMEType The Type to get information on. Must not be empty.
* @param aFileExt File Extension. Can be empty.
*/
AUTF8String getPrimaryExtension(in ACString aMIMEType, in AUTF8String aFileExt);
};